<!DOCTYPE html>
<html lang="en" xmlns:th="http://www,thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>扫描结果</title>
</head>
<style>
    html, body {
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 2rem;
    }
</style>
<body th:text="${msg}">
    扫描成功!
</body>
</html>